New Living Translation
Why do you continue to forget us? Why have you abandoned us for so long?

American Standard Version
Wherefore dost thou forget us for ever, And forsake us so long time?

Berean Study Bible
Why have You forgotten us forever? Why have You forsaken us for so long?

Douay-Rheims Bible
Why wilt thou forget us for ever? why wilt thou forsake us for a long time?

English Revised Version
Wherefore dost thou forget us for ever, and forsake us so long time?

King James Bible
Wherefore dost thou forget us for ever, and forsake us so long time?

World English Bible
Why do you forget us forever, [And] forsake us so long time?

Young's Literal Translation
Why for ever dost Thou forget us? Thou forsakest us for length of days!

Lamentations 5:20 Additional Translations ...